| Year | 2001 |
| Date | 13-Jul |
| Volume | 187 |
| Issue | 4,150 |
| Page | 28 |
| Category | Countryman's Steam |
| Part | |
| Title | Portable Engines |
| Author | John Haining |
| Notes | Steam power plants pre-dating the self-moving engine.Mr Willis' engine by E.B.Wilson for Ransomes & May, Boydell engine, Aveling chain driven engine, 1900 Garrett |